The Tengyur or Tanjur or Bstan-’gyur (Tibetan: "Translation of Teachings") is the collected commentaries by great buddhist masters on Buddha Shakyamuni's teachings.

Samding Dorje Phagmo To the Tengyur were assigned commentaries to both Sutras and Tantras, treatises and abhidharma works (both Mahayana and non-Mahayana).

[1] Together with the 108-volume Kangyur (the Collection of the Words of the Buddha), these form the basis of the Tibetan Buddhist canon.

"[2][3] As example, the content of the Beijing Tengyur:[4] The Tibetan Bön religion, under the influence of Buddhism, also has its canon literature divided into two sections called the Kangyur and Tengyur but the number and contents of the collection are not yet fully known.

Apparently, Bön began to take on a more literary form about the time Buddhism began to enter Tibet,[5][6] although it could have had some written records some time before that.